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Chapter 10

Nail Disorders and Diseases

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“Change and growth take place when a person has risked himself and dares to become involved with

experimenting with his own life.”– Herbert Otto

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Objectives

• List and describe the various disorders and irregularities of the nails.

• Recognize diseases of the nails that should not be treated in the salon.

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Nail Disorders

• Nail disorders are caused by injury or disease.

• Disorders must be referred to a physician.

• Only cosmetic problems can be treated by a licensed cosmetologist or nail technician.

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• Bruised nails

• Eggshell nails

• Beau’s lines

Nail Disorders (continued)

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• Hangnail

• Leukonychia

Nail Disorders (continued)

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• Melanonychia

• Discolored nail

Nail Disorders (continued)

• Onychophagy

• Onychorrhexis

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• Plicatured nail

• Nail pterygium

• Ridges

Nail Disorders (continued)

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• Splinter hemorrhages

• Increased curvature nails– Pincer nails– Trumpet nails

Nail Disorders (continued)

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Nail Fungi

• Parasites that may cause infections on the hands and feet

• Highly contagious

• Grows where it is warm, dark, and moist

• Avoided by proper cleaning and disinfection

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It Is Not Mold!

• Discolorations of the nail are not mold. They are a bacterial infection caused by Pseudomonas aeruginosa.

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Nail Infections

• Indicated by redness, pain, swelling, pus, and inflammation

• Causes: contaminated implements

• Other indications: yellow, green, brown, or black spots

• Avoid infection: cleansing and disinfection

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Nail Diseases

• Onychosis: any deformity or disease of the nails

• Onychia

• Onychocryptosis

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• Onycholysis

• Onychomadesis

• Nail psoriasis

Nail Diseases (continued)

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• Paronychia

Nail Diseases (continued)

• Pyogenic granuloma

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• Onychomycosis• Tinea pedis

Nail Diseases (continued)

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Summary and Review

• What conditions do fungal organisms favor for growth?

• Name two common causes of onycholysis.

• In what situation should a nail service not be performed?

• What is Pseudomonas aeruginosa and why is it important to the nail technician?

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• Name at least eight nail disorders and describe their appearance.

• What is the most effective way to avoid transferring infections among your clients?

• If a client develops a nail infection, can nail technicians offer treatment advice for these conditions?

• Can beauty professionals treat an ingrown toenail if there is no sign of pus or discharge?

Summary and Review (continued)

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You have completed one unit of study toward course completion.

Congratulations!